Your Opinions on this Fish

Well the hood is about to change again. I have two GT45 turbo's that I am getting ready to put on the car. My fab guy is making the headers for me now. I did not think that car was a 25k dollar car. Did they even come with 340's back in 67? I know he said it was a 71 340 but from what I have read they were either 273 or 383 cars. I may be wrong.